TY - JOUR AU - A. A. V'yalitsin TI - Investigation of systems of linear diophantine inequalities by group theory methods JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1997 SP - 15 EP - 21 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1997_11_a2/ LA - ru ID - IVM_1997_11_a2 ER -